Cho spoiler information
With the premiere of the fourth season set to air on September 22, fans of Cho can look forward to seeing a side of him they’ve never seen before. Writer/executive producer Ashley Gable hints, "This season, [Cho] gets a character arc that explores his personal life … And Tim will get to be a part of that creative process.”
Kang also leaked that we may catch a better glimpse of Cho’s love life, which so far has been limited to a girlfriend who appeared in one episode back in season two.
(link to full Tim Kang article on 'Other News' page)